# coding=UTF-8
print('hello world')

print('100+222=', 100 + 222)
name = input('输入：')
print('hello : ', name)

a = 100
if a > 111:
    print(a)
else:
    print(a * a)

print('-----------------')

a = input('输入整数')
print(a)

b = int(a)
print(b)
